[lustre-discuss] Mounting lustre on block device

2023-03-16 Thread Shambhu Raje via lustre-discuss
When we mount a lustre file system on client, the lustre file system does
not use block device on client side. Instead it uses virtual file system
namespace. Mounting point will not be shown when we do 'lsblk'. As it only
show on 'df-hT'.

How can we mount lustre file system on block such that when we write
something with lusterfs then it can be shown in block device??
Can share command??
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Re: [lustre-discuss] Configuring LustreFS Over DRBD

2023-03-16 Thread Shambhu Raje via lustre-discuss
Thank you for the clarification.

On Thu, Mar 16, 2023, 01:36 Laura Hild  wrote:

> Hi Shambhu-
>
> I believe neither the ldiskfs nor ZFS OSDs support an active-active
> configuration (except in the sense that one can have multiple targets, some
> of which are active on one host and others on another).  It seems
> reasonable to me, only having used DRBD and Lustre independently of each
> other, that it would be possible to use DRBD in active-passive mode in
> place of shared storage for fail-over, but with inferior performance.
> Clients would connect to whichever server is currently active for a
> particular target.
>
> If instead what you're talking about is mounting a filesystem for
> simultaneous use on the DRBD hosts themselves, you're looking for a
> "shared-disk" clustered filesystem, not Lustre, which is a "distributed"
> clustered filesystem.
>
> -Laura
>
>
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[lustre-discuss] Configuring LustreFS Over DRBD

2023-03-15 Thread Shambhu Raje via lustre-discuss
I am trying to configure a clustered file system over DRBD software so that
if we mount a file system just like LustreFS over DRBD set -up in dual
primary mode it can provide us with the real time replication of data . Can
I configure lustre file system over DRBD in redhat 8.7 ...
If yes, how can it be configured ?


Waiting for your supporting response.
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